7136537 has 2 divisors, whose sum is σ = 7136538. Its totient is φ = 7136536.

The previous prime is 7136497. The next prime is 7136539. The reversal of 7136537 is 7356317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6031936 + 1104601 = 2456^2 + 1051^2 .

It is a cyclic number.

It is not a de Polignac number, because 7136537 - 2⁶ = 7136473 is a prime.

Together with 7136539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7136539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3568268 + 3568269.

It is an arithmetic number, because the mean of its divisors is an integer number (3568269).

Almost surely, 2^7136537 is an apocalyptic number.

It is an amenable number.

7136537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7136537 is an equidigital number, since it uses as much as digits as its factorization.

7136537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 32.

The square root of 7136537 is about 2671.4297669974. The cubic root of 7136537 is about 192.5288605742.

The spelling of 7136537 in words is "seven million, one hundred thirty-six thousand, five hundred thirty-seven".